+function defaultDisplay( nodeName ) {
+ if ( !elemdisplay[ nodeName ] ) {
+ var elem = jQuery("<" + nodeName + ">").appendTo("body"),
+ display = elem.css("display");
+
+ elem.remove();
+
+ if ( display === "none" || display === "" ) {
+ display = "block";
+ }
+
+ elemdisplay[ nodeName ] = display;
+ }
+
+ return elemdisplay[ nodeName ];
+}
+